<template>
  <div class="app-container">

    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input v-model="listQuery.name" clearable class="filter-item width-200px"
        :placeholder="$t('systemManagement.placeholder3')" />
      <el-button v-permission="['GET /admin/role/list']" class="filter-item" type="primary"
        icon="el-icon-search" @click="handleFilter">{{$t('systemManagement.select')}}</el-button>
      <el-button v-permission="['POST /admin/role/create']" class="filter-item" type="primary"
        icon="el-icon-edit" @click="handleCreate">{{$t('systemManagement.add')}}</el-button>
    </div>

    <!-- 查询结果 -->
    <el-table v-loading="listLoading" :data="list" :element-loading-text="$t('util.loadingText')" border fit
      highlight-current-row>
      <el-table-column align="center" :label="$t('systemManagement.roleName')" prop="name" sortable />

      <el-table-column align="center" :label="$t('systemManagement.description')" prop="desc" />

      <el-table-column align="center" :label="$t('systemManagement.operation')" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button v-permission="['POST /admin/role/update']" type="primary" size="mini"
            @click="handleUpdate(scope.row)">{{$t('systemManagement.edit')}}</el-button>
          <el-button v-permission="['POST /admin/role/delete']" type="danger" size="mini"
            @click="handleDelete(scope.row)">{{$t('systemManagement.delete')}}</el-button>
          <el-button v-permission="['POST /admin/role/permissions']" type="primary" size="mini"
            @click="handlePermission(scope.row)">{{$t('systemManagement.authorization')}}</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page"
      :limit.sync="listQuery.limit" @pagination="getList" />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="dataForm" status-icon label-position="left"
        label-width="100px" class="dataFormClass">
        <el-form-item :label="$t('systemManagement.roleName')" prop="name">
          <el-input v-model="dataForm.name" />
        </el-form-item>
        <el-form-item :label="$t('systemManagement.description')" prop="desc">
          <el-input v-model="dataForm.desc" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">{{$t('util.cancel')}}</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">{{$t('util.confirm')}}</el-button>
        <el-button v-else type="primary" @click="updateData">{{$t('util.confirm')}}</el-button>
      </div>
    </el-dialog>

    <!-- 权限配置对话框 -->
    <el-dialog :visible.sync="permissionDialogFormVisible" :title="$t('systemManagement.permissionConfiguration')">
      <el-tree ref="tree" :data="systemPermissions" :default-checked-keys="assignedPermissions"
        show-checkbox node-key="id" highlight-current>
        <span slot-scope="{ data }" class="custom-tree-node">
          <span>{{ data.label }}</span>
          <el-tag v-if="data.api" type="success" size="mini">{{ data.api }}</el-tag>
        </span>
      </el-tree>
      <div slot="footer" class="dialog-footer">
        <el-button @click="permissionDialogFormVisible = false">{{$t('util.cancel')}}</el-button>
        <el-button type="primary" @click="updatePermission">{{$t('util.confirm')}}</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import Pagination from "@/components/Pagination";
export default {
  name: "Role",
  components: { Pagination },
  data() {
    return {
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        name: '',
        sort: "create_time",
        order: "desc",
      },
      dataForm: {
        id: undefined,
        name: undefined,
        desc: undefined,
      },
      dialogFormVisible: false,
      dialogStatus: "",
      textMap: {
        update: this.$t('systemManagement.edit'),
        create: this.$t('systemManagement.create'),
      },
      rules: {
        name: [
          { required: true, message: this.$t('systemManagement.rule3'), trigger: "blur" },
        ],
      },
      permissionDialogFormVisible: false,
      systemPermissions: null,
      assignedPermissions: null,
      permissionForm: {
        roleId: undefined,
        permissions: [],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    getList() {
      this.listLoading = true;
      this.$api("role.list", this.listQuery)
        .then((response) => {
          this.list = response.data.list;
          this.total = response.data.total;
          this.listLoading = false;
        })
        .catch(() => {
          this.list = [];
          this.total = 0;
          this.listLoading = false;
        });
    },
    handleFilter() {
      this.listQuery.page = 1;
      this.getList();
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: undefined,
        desc: undefined,
      };
    },
    handleCreate() {
      this.resetForm();
      this.dialogStatus = "create";
      this.dialogFormVisible = true;
      this.$nextTick(() => {
        this.$refs["dataForm"].clearValidate();
      });
    },
    createData() {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          this.$api('role.createRole',this.dataForm)
            .then((response) => {
              this.list.unshift(response.data.data);
              this.dialogFormVisible = false;
              this.$notify.success({
                title: this.$t('util.success'),
                message: this.$t('systemManagement.roleAddedSuccessfully'),
              });
              this.getList();
            })
            .catch((response) => {
              this.$notify.error({
                title: this.$t('util.fail'),
                message: this.$t('response.'+response.data.errno),
              });
            });
        }
      });
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row);
      this.dialogStatus = "update";
      this.dialogFormVisible = true;
      this.$nextTick(() => {
        this.$refs["dataForm"].clearValidate();
      });
    },
    updateData() {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          this.$api('role.updateRole',this.dataForm)
            .then((response) => {
              for (const v of this.list) {
                if (v.id === this.dataForm.id) {
                  const index = this.list.indexOf(v);
                  this.list.splice(index, 1, this.dataForm);
                  break;
                }
              }
              this.dialogFormVisible = false;
              if(!response.errno){
                this.$notify.success({
                  title: this.$t('util.success'),
                  message: this.$t('systemManagement.updateAdministratorSucceeded'),
                });
              }
              else{
                this.$notify.success({
                  title: this.$t('util.fail'),
                  message: this.$t('systemManagement.updateAdministratorFailed'),
                });
              }
            })
            .catch((response) => {
              this.$notify.error({
                title: this.$t('util.fail'),
                message: this.$t('response.'+response.data.errno),
              });
            });
        }
      });
    },
    handleDelete(row) {
      this.$api('role.deleteRole',{id:row.id})
        .then((response) => {
          if(!response.errno){
            this.$notify.success({
            title: this.$t('util.success'),
            message: this.$t('systemManagement.administratorDeletedSuccessfully'),
            });
          }
          else{
            this.$notify.success({
            title: this.$t('util.fail'),
            message: this.$t('systemManagement.failedToDeleteAdministrator'),
            });
          }
          this.getList();
        })
        .catch((response) => {
          this.$notify.error({
            title: this.$t('util.fail'),
            message: this.$t('response.'+response.data.errno),
          });
        });
    },
    handlePermission(row) {
      this.permissionDialogFormVisible = true;
      this.permissionForm.roleId = row.id;
      this.$api("role.getPermission", {roleId: row.id}).then((response) => {
        this.systemPermissions = response.data.systemPermissions;
        this.assignedPermissions = response.data.assignedPermissions;
      })
    },
    updatePermission() {
      this.permissionForm.permissions = this.$refs.tree.getCheckedKeys(true).join(",");
      this.$api("role.updatePermission",this.permissionForm)
      .then((response) => {
        this.permissionDialogFormVisible = false;
        if(!response.errno){
          this.$notify.success({
            title: this.$t('util.success'),
            message: this.$t('systemManagement.authorizationSucceeded'),
          });
        }else{
          this.$notify.success({
            title: this.$t('util.fail'),
            message: this.$t('systemManagement.authorizationFailed'),
          });
        }
      })
      .catch((response) => {
        this.$notify.error({
          title: this.$t('util.fail'),
          message: this.$t('response.'+response.data.errno),
        });
      });
    },
  },
};
</script>
<style scoped>
.width-200px{
  width:200px;
}
.dataFormClass{
width: 400px; margin-left:50px;
}
</style>
